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Nicole Richie Plays Publicist for Pete Wentz

Fri., Jun. 5, 2009 11:18 AM PDT by Cristina Gibson

Mike Guastella/Getty Images

Nicole Richie is already a mom and designer, but last night, she was moonlighting as a publicist!

Nic cohosted a fashion show along with Pete Wentz and made sure he didn't answer any questions about the alleged fight Ashlee Simpson-Wentz and Michelle Trachtenberg got into over him.

"That's not appropriate," she interrupted when I asked about ladies fighting over him.

As for whether he gave the models clad in his Clandestine Industries clothing any advice?

"I don't give anybody on the runway advice," Pete confessed. "Look how I'm dressed...I'm too short to be walking down the runway!"

Although she skipped the carpet, Ashlee was there to support Pete inside and had a front-row seat for the festivities.

Nicole even posted a pic of the group on her Twitter during the show.

Her man, Joel Madden, also made it to the event. Wonder if the new parents will make a playdate for Harlow and Bronx soon?